BQ51050BRHLR Description

The BQ51050BRHLR is a high-efficiency, Qi-compliant wireless power receiver for portable applications with an integrated Li-Ion/Li-Pol battery charge controller. The BQ51050BRHLR features efficient AC-DC power conversion, a digital controller that complies with the Qi v1.2 communication protocol, and all of the control algorithms required for efficient and safe Li-Ion and Li-Pol battery charging. The BQ51050BRHLR allows a comprehensive wireless power transfer system for direct battery charger solutions when used in conjunction with the bq500212A transmitter-side controller. The receiver coil placed in the portable device can pick up the power delivered by the transmitter coil via near-field inductive power transfer. The AC signal from the receiver coil is rectified and conditioned before being used to power the battery directly.

BQ51050BRHLR Features

• Single-Stage Wireless Power Receiver and Li-Ion/Li-Pol Battery Charger

• Robust Architecture

• Compatible With WPC v1.2 Qi Industry Standard

• Power Stage Output Tracks Rectifier and Battery Voltage to Ensure Maximum Efficiency Across the Full Charge Cycle

• Available in Small DSGBA and VQFN Packages

BQ51050BRHLR Applications

• Battery Packs

• Cell Phones and Smart Phones

• Headsets

• Portable Media Players

• Other Handheld Devices